R=rsc DELTA=7 (5 added, 0 deleted, 2 changed) OCL=30657 CL=30659
remove io.ErrEOF. rename io.FullRead to io.ReadFull, to match ReadAtLeast and ReadAll. remove io.FullReader, because it is now unused. R=r DELTA=295 (88 added, 105 deleted, 102 changed) OCL=30544 CL=30588
R=rsc APPROVED=rsc DELTA=24 (24 added, 0 deleted, 0 changed) OCL=30459 CL=30540
tests: all.bash passes, gobuild still works, godoc still works. R=rsc OCL=30096 CL=30102